validate_poi: bbox from center point

In obrl-soil/slga: Data Access Tools for the Soil and Landscape Grid of Australia

bbox from center point

Description

Get a bounding box from an x,y point and desired buffer distance

Usage

validate_poi(poi = NULL, product = NULL, buff = 0)

Arguments

poi	Numeric; length-2 vector of x, y coordinates or 'sf' style point.
product	Character, one of the options from column 'Short_Name' in slga_product_info.
buff	Integer, cell buffer around point. Defaults to 0 (single cell).

Value

sf style bbox or list of same, aligned to requested product, centered on 'point' and extending 'buff' cells away from centre.

Note

This is for buffered data requests around a point.

Examples

{
library(slga)
poi <- c(152, -27)

# size 0 = extent of single cell
slga:::validate_poi(poi = poi, product = 'SLPPC', buff = 0)

# size 3 = 7x7 cells (centre cell and 3 in each direction)
slga:::validate_poi(poi = poi, product = 'SLPPC', buff = 3)
}

obrl-soil/slga documentation built on Feb. 3, 2024, 4:31 a.m.